Year	% of primary school age children
1979	99.45962
1980	98.86059
1984	96.74281
1985	97.05152
1986	92.08443
1987	87.7749
1988	83.46304
1989	84.25617
1990	85.91451
1991	89.47368
1992	92.20679
1993	93.5867
1994	92.72
1996	87.57764
1997	88.70229
2000	85.05826
2004	93.89214